US3358760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for lining wells
Assignee: Schlumberger Technology Corp
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Filing: 1965-10-14
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Granted: 1967-12-19
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Blagg Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:44
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B43/103; E21B23/00; E21B23/04; E21B23/0411; E21B23/0419; E21B23/042; E21B29/00; E21B29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD OF EXPANDING A TUBULAR LINER WITHIN A TUBULAR MEMBER COMPRISING THE STEPS OF: POSITIONING WITHIN A TUBULAR MEMBER TO BE LINED A TOOL HAVING A BODY CARRYING A MOVABLE EXPANDER AND SUPPORTING A LINER AT A LOCATION WHERE IT IS DESIRED TO EXPAND THE LINER INTO ENGAGEMENT WITH THE INTERIOR SURFACE OF THE TUBULAR MEMBER ANCHORING THE TOOL AGAINST LONGITUDINAL MOVEMENT IN EITHER DIRECTION IN THE TUBULAR MEMBER, AND MOVING THE BODY WITH A FIRST FORCE TO GENERATE A GREATER SECOND FORCE ON THE EXPANDER TO FORCE THE EXPANDER THROUGH THE LINER THEREBY EXPANDING THE LINER.
Claim 2
Independent Claim
98 words
A METHOD OF EXPANDING A TUBULAR LINER WITHIN A TUBULAR MEMBER COMPRISING THE STEPS OF: POSITIONING WITHIN A TUBULAR MEMBER TO BE LINED A TOOL HAVING A BODY CARRYING A MOVABLE EXPANDER AND SUPPORTING A LINER AT A LOCATION WHERE IT IS DESIRED TO EXPAND THE LINER INTO ENGAGEMENT WITH THE INTERIOR SURFACE OF THE TUBULAR MEMBER ANCHORING THE TOOL AGAINST LONGITUDINAL MOVEMENT IN EITHER DIRECTION IN THE TUBULAR MEMBER, AND MOVING THE BODY WITH A FIRST FORCE TO GENERATE A GREATER SECOND FORCE ON THE EXPANDER TO FORCE THE EXPANDER THROUGH THE LINER THEREBY EXPANDING THE LINER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |